.volume {
  .van-slider {
    width:4px;
    height: 60px;
    position: absolute;
    bottom: 18px;
    left: 5px;
    right: 0;
  }
}
.player-list {
  position: absolute;
  left: 50%;
  //top: 0;
  bottom: 48px;
  transform: translateX(-50%);
}
